$panel-header-font-family: arial, helvetica, verdana, sans-serif !default; $panel-header-color: #fff !default; $panel-header-text-transform: none !default; $panel-header-line-height: 15px !default; $panel-header-text-padding: 1px 0 0 !default; $panel-header-padding: 9px 9px 10px !default; $panel-border-width: 1px !default; $panel-header-border-width: 1px !default; $panel-body-border-width: 1px !default; $panel-frame-border-width: 5px !default; $panel-frame-header-border-width: $panel-frame-border-width !default; $panel-tool-spacing: 6px !default; $panel-frame-padding: 0 !default; $panel-frame-header-padding: 5px !default; $panel-header-icon-width: 16px !default; $panel-header-icon-height: 16px !default; $panel-header-icon-spacing: 6px !default; // panel-light vars $panel-light-header-font-family: $font-family !default; $panel-light-header-font-size: $font-size !default; $panel-light-header-font-weight: bold !default; $panel-light-header-color: #666 !default; $panel-light-header-background-color: mix($base-light-color, $neutral-light-color, 30%) !default; $panel-light-header-text-transform: none !default; $panel-light-body-border-color: $panel-light-header-background-color !default; $panel-light-tool-background-image: 'tools/tool-sprites-dark' !default; $panel-light-frame-border-color: $panel-light-header-background-color !default; $panel-include-border-management-rules: true !default;